Jimmy Fallon, Meghan Trainor & The Roots Sing "All About That Bass" (w/ Classroom Instruments)

Meghan Trainor stops by the Tonight Show Music Room to perform "All About That Bass."

Jimmy Fallon - wood block, bass drum, Casio keyboard
Meghan Trainor - vocals, triangle
Questlove - hand clappers
Mark Kelley - kazoo
Kamal Gray - xylophone
James Poyser - melodica
Captain Kirk - ukulele
Frank Knuckles - bongos
Tuba Gooding Jr. - kazoo, apple shaker, banana shaker
Black Thought -- tambourine

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Jimmy Fallon, Meghan Trainor & The Roots Sing "All About That Bass" (w/ Classroom Instruments)
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